A precursor source vessel comprises a vessel body, a passage within the vessel body, and a valve attached to a surface of the body. The kicker reflector has a reflector wall extending between a small top opening and a large bottom opening along a transverse axis. The location of the ports and valves is based on using the convective cooling effect of the blood flow. The shared secret comprises authentication credentials that may be provisioned by an administrator, user, or by the client itself via a trusted platform module.